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Espressif Audio Development Framework

Documentation Status

Espressif Systems Audio Development Framework (ESP-ADF) is the official audio development framework for the ESP32, ESP32-S2 and ESP32-S3 SoCs.

Overview

ESP-ADF supports development of audio applications for the Espressif Systems SoCs in the most comprehensive way. With ESP-ADF, you can easily add features, develop audio applications from simple to complex:

  • Music player or recorder supports audio formats such as MP3, AAC, FLAC, WAV, OGG, OPUS, AMR, TS, EQ, Downmixer, Sonic, ALC, G.711 and etc.
  • Play music from sources: HTTP, HLS (HTTP Live Streaming), SPIFFS, SDCARD, A2DP-Source, A2DP-Sink, HFP and etc.
  • Integrate Media services such as: DLNA, VoIP and etc.
  • Internet Radio
  • Voice recognition and integration with online services such as Alexa, DuerOS and etc.

As a general, the ESP-ADF features will be supported as shown below:

ADF Block Diagram

Developing with the ESP-ADF

Quick Start

You need one of ESP-IDF versions described in ESP-ADF Releases, one of audio boards below and headphones.

Note: If this is your first exposure to ESP-IDF, proceed to Getting Started documentation specific for ESP32, ESP32-S2, or ESP32-S3 SoCs.

Click on one of audio boards shown below to set up and start using ESP-ADF.

Hardware

Espressif Systems has released a number of boards for ESP-ADF to develop audio applications. Click the links below to learn more information on each board.

ESP32-LyraT ESP32-LyraTD-MSC ESP32-LyraT-Mini ESP32-S2-Kaluga-1 Kit
ESP32-LyraT Development Board ESP32-LyraTD-MSC Development Board ESP32-LyraT-Mini Development Board ESP32-LyraT-Mini Development Board
ESP32-Korvo-DU1906 ESP32-S3-Korvo-2
ESP32-Korvo-DU1906 Development Board ESP32-S3-Korvo-2 Development Board

Examples

Check folder examples that contains sample applications to demonstrate API features of the ESP-ADF.

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